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A tractor tows a plane from its airport gate, doing 8.9MJ of work. The link from the plane to the tractor makes a 19 degree angle with the plane's motion, and the tension in the link is 0.43 MN. How far does the tractor move the plane?
By how much horizontal force would you need to apply to a 3.0 N plastic calculator to start it moving from rest? How much horizontal force would you need to keep it moving?
Disk 1 has a radius of 5 cm and mass of 1 kg it spins at an angular velocity of 2 rad/s a second disk is dropped on top of disk 1. what was the mass of the second disk
You are driving north on 107th Avenue at a speed of 31.2 mph. At what frequency do you hear the siren
A thin, uniformly charged spherical shell has a potential of 533 V on its surface. Outside the sphere, at a radial distance of 24.0 cm from this surface, Calculate the radius of the sphere
The intensity (in W/m2) of one sound is 5.46 times as great as the intensity of another sound. what is the intensity level of the louder sound
A 180, 48.0 cm-diameter turntables rotate on frictionless bearings at 70.0. A 15.0 block sits at the center of turntable. A compressed spring shoots the block fundamentally outward along the frictionless groove in the surface of the turntable.
The tortoise can run with a speed of 0.1 m/s and the hare can run with a speed of 2 m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his ..
A hot iron horseshoe (mass = 0.50kg ), just forged, is dropped into 1.50L of water in a 0.30kg iron pot initially at 25.0?C. estimate the initial temperature of the hot horseshoe
The object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.
A block of ice of mass 8 kg, released from rest at the top of a frictionless ramp of a 1.50m long slides downhill, reaching a speed of 2.50 m/s at the bottom.
A massive pulley in the shape of a solid disk is mounted on an axle with negligible friction. What is the mass of the pulley
In one such decay, the electron and the neutrino are emitted at right angles to each other. The electron(mass 9.11 x 10^-31kg) has a speed of 5.00×10^7m/s and the neutrino has a momentum of 8.10×10^-24kg m/s. What is the recoil speed of the nucleu..
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